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Whats the accepted organic length for an alcohol or acid to be soluble in water? Would you say around 3 carbon length? Or would they provide us with that information?

I found ruse papers harder lmao. Nonetheless, this year was definitely much easier than before

Felt like a harder trial paper than hsc tbh

Probs application, but I think in relation to mod 7, maybe one of the experiments

And yeah, time was dilated mainly due to general rel. but for hsc purposes we take it as evidence for special rel.

Plane going eastward was 60 ns behind, while plane going west was 270ns ahead

The twin question was hard imo, but that was the only hard relativity question I came across. Don't know if they can make harder

Reckon there might be a hard relativity question

Any thoughts on what they would ask this year?

how was it?

7 mark on drawing and plotting a detailed HR diagram

Reckon there's gonna be an 6-8 marker on stars, but most likely a 5-6 marker on application of lenz law. Wonder what modules they'll combine this time, maybe projectile motion questions but with the picture/frames per second thingy?

Last year had no vectors or projectile iirc, so im assuming theres gonna be alot more, probs proof related with both of them. I also reckon theres gonna be a lot more stats too

Ah fuck yeh that's smart

16 a part 2 was cauchy swartz inequality for vectors, but I had no idea how to prove it lmao, hopefully I get 1 mark at least for doing some algebra

Yeah nah 2020 was lightwork compared to this.

^Yup, best tip available. If you're stuck, skip the question and once you've finished all the questions you do know, you can spend the rest of the time working on questions you aren't sure about.

I reckon mcq 10 is gonna be related to graphs and inequalities, like they tell us characterisitic of a 2 functions, and they give inequalities using those. 100% think theres gonna be one worded proof question, asking for a counterexample or negating or something of the sorts

I've seen a few questions like that before, I reckon it could fit into the syllabus, since its just recursion but with an extra variable

Im guessing a long scaffolded proof qtn